Rear spoiler



FIG. 1 is a rear perspective view taken from above and to one side of a rear spoiler showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an enlarged side perspective view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a front elevation view thereof. 

The ornamental design for a rear spoiler, as shown and described. 